Mercurial > dropbear
view libtommath/bn_mp_mod_2d.c @ 696:d6067dd60490
fix typo
author | Matt Johnston <matt@ucc.asn.au> |
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date | Sun, 24 Feb 2013 00:16:02 +0800 |
parents | 5ff8218bcee9 |
children | 60fc6476e044 |
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#include <tommath.h> #ifdef BN_MP_MOD_2D_C /* LibTomMath, multiple-precision integer library -- Tom St Denis * * LibTomMath is a library that provides multiple-precision * integer arithmetic as well as number theoretic functionality. * * The library was designed directly after the MPI library by * Michael Fromberger but has been written from scratch with * additional optimizations in place. * * The library is free for all purposes without any express * guarantee it works. * * Tom St Denis, [email protected], http://math.libtomcrypt.com */ /* calc a value mod 2**b */ int mp_mod_2d (mp_int * a, int b, mp_int * c) { int x, res; /* if b is <= 0 then zero the int */ if (b <= 0) { mp_zero (c); return MP_OKAY; } /* if the modulus is larger than the value than return */ if (b >= (int) (a->used * DIGIT_BIT)) { res = mp_copy (a, c);